rozwiaz nierownosci i zaznacz zbior rozwiazan na osi liczbowej
a) -⅔x≥2
b) (x-2)²>x(x-5)
c) 4x-3 - 2x-1 ≤1
6 2
a)
-2/3x ≥ 2/*(-3/2)
x ≤ -6/2
x ≤ -3
b)
(x-2)² > x(x-5)
x²-4x+4 > x²-5x
x²-x²-4x+5x > -4
x > -4
c)
(4x-3)/6-(2x-1(/2 ≤ 1 /*6
4x-3-3(2x-1) ≤ 6
4x-3-6x+3 ≤ 6
-2x ≤ 6/:(-2)
x ≥ -3
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a)
-2/3x ≥ 2/*(-3/2)
x ≤ -6/2
x ≤ -3
b)
(x-2)² > x(x-5)
x²-4x+4 > x²-5x
x²-x²-4x+5x > -4
x > -4
c)
(4x-3)/6-(2x-1(/2 ≤ 1 /*6
4x-3-3(2x-1) ≤ 6
4x-3-6x+3 ≤ 6
-2x ≤ 6/:(-2)
x ≥ -3